Hallo! I find your extruder great, it works good and has no fancy or expensive parts!!! But there is still something, where I could use a bit help...: I write from Germany (I am greek), you know, a country well known for metal forming and machining... And because of the german mentality, I could never start building an extruder like yours, because I miss all the measurements! I would really be thby hiliagusta - Plastic Extruder Working Group